MHT CET 2024 Chemistry question

Not in JEE Main or NEET syllabus

What atomic radius of an element if it crystallises in BCC structure with edge length of unit cell 287 pm ?

Answer: (A)

Solution

In a body-centred cubic (BCC) unit cell the atoms touch along the body diagonal, whose length is . Hence pm, i.e. about

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Question ID VK-096689